diff --git a/src/private/widgets/TabBarWidget.cpp b/src/private/widgets/TabBarWidget.cpp
index d7f1f9a6..e0f85279 100644
--- a/src/private/widgets/TabBarWidget.cpp
+++ b/src/private/widgets/TabBarWidget.cpp
@@ -169,3 +169,15 @@ void TabBarWidget::moveTabTo(int from, int to)
 {
     moveTab(from, to);
 }
+
+void TabBarWidget::tabInserted(int index)
+{
+    QTabBar::tabInserted(index);
+    Q_EMIT dockWidgetInserted(index);
+}
+
+void TabBarWidget::tabRemoved(int index)
+{
+    QTabBar::tabRemoved(index);
+    Q_EMIT dockWidgetRemoved(index);
+}
diff --git a/src/private/widgets/TabBarWidget_p.h b/src/private/widgets/TabBarWidget_p.h
index 7e52cda1..cb62d60e 100644
--- a/src/private/widgets/TabBarWidget_p.h
+++ b/src/private/widgets/TabBarWidget_p.h
@@ -50,12 +50,18 @@ public:
     QRect rectForTab(int index) const override;
     void moveTabTo(int from, int to) override;
 
+Q_SIGNALS:
+    void dockWidgetInserted(int index);
+    void dockWidgetRemoved(int index);
+
 protected:
     bool dragCanStart(QPoint pressPos, QPoint pos) const override;
     void mousePressEvent(QMouseEvent *) override;
     void mouseMoveEvent(QMouseEvent *e) override;
     void mouseDoubleClickEvent(QMouseEvent *e) override;
     bool event(QEvent *) override;
+    void tabInserted(int index) override;
+    void tabRemoved(int index) override;
 
 private:
     TabWidget *const m_tabWidget;